Home / 281,407,764.02-388,342,751.13-155,968,058.52

Finding the Fourth Proportional to 281,407,764.02, 388,342,751.13 and 155,968,058.52

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Solution

The fourth proportional to 281,407,764.02, 388,342,751.13 and 155,968,058.52 is: 215,235,941.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,407,764.02 : 388,342,751.13 = 155,968,058.52 : x
  2. Step 2: Convert to fraction form
    281,407,764.02/388,342,751.13 = 155,968,058.52/x
  3. Step 3: Cross multiply
    281,407,764.02x = 388,342,751.13 × 155,968,058.52
  4. Step 4: Simplify right side
    281,407,764.02x = 60,569,064,934,061,640
  5. Step 5: Solve for x
    x = 60,569,064,934,061,640/281,407,764.02
  6. Step 6: Final answer
    x = 215,235,941.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.